Engineering publications brought to you by Mark Allen

Medical & healthcare

Magnetic particles carry drugs across blood-brain barrier

Imaging system visualises metallic compounds and associated biomolecules

Implanted device predicts epilepsy seizures

Bistable graphene transistor could surpass silicon's speed

US engineers "print" functioning artificial ear

Swedish research comes closer to breathalyser for illegal drugs

Imaging gives clues to how nanoparticles attack cancer

MRI and microscopy combine to study cancer cells' workings

Gripper microbots help perform live biopsy

Haptic simulator helps with epidural training

Project aims to create artificial sphincter implants

Surgical X-ray tool could help track steerable needles